Find IP IPv4 Network/Subnet and its host address ranges

What is an IPv4 IP address its network and host address ranges?

An IPv4 IP address is an address used in order to uniquely identify a device on an IP network. The address is made up of 32 binary bits, which can be divisible into a network portion and host portion with the help of a subnet mask. The 32 binary bits are broken into four octets (1 octet = 8 bits). Each octet is converted to decimal and separated by a period (dot).

How to Subnet IPv4? Its simple answer is that subnetting is the process of taking a network and splitting it into smaller networks, known as subnets. It's used to free up more public IPv4 addresses and segment networks for security and easier management.
Following are the ranges of IPv4 subnet/network address and their host addresses.

IPv4 AddressIPv6 Address
203.153.19.1 0:0:0:0:0:ffff:cb99:1301
203.153.19.2 0:0:0:0:0:ffff:cb99:1302
203.153.19.3 0:0:0:0:0:ffff:cb99:1303
203.153.19.4 0:0:0:0:0:ffff:cb99:1304
203.153.19.5 0:0:0:0:0:ffff:cb99:1305
203.153.19.6 0:0:0:0:0:ffff:cb99:1306
203.153.19.7 0:0:0:0:0:ffff:cb99:1307
203.153.19.8 0:0:0:0:0:ffff:cb99:1308
203.153.19.9 0:0:0:0:0:ffff:cb99:1309
203.153.19.10 0:0:0:0:0:ffff:cb99:130a
203.153.19.11 0:0:0:0:0:ffff:cb99:130b
203.153.19.12 0:0:0:0:0:ffff:cb99:130c
203.153.19.13 0:0:0:0:0:ffff:cb99:130d
203.153.19.14 0:0:0:0:0:ffff:cb99:130e
203.153.19.15 0:0:0:0:0:ffff:cb99:130f
203.153.19.16 0:0:0:0:0:ffff:cb99:1310
203.153.19.17 0:0:0:0:0:ffff:cb99:1311
203.153.19.18 0:0:0:0:0:ffff:cb99:1312
203.153.19.19 0:0:0:0:0:ffff:cb99:1313
203.153.19.20 0:0:0:0:0:ffff:cb99:1314
203.153.19.21 0:0:0:0:0:ffff:cb99:1315
203.153.19.22 0:0:0:0:0:ffff:cb99:1316
203.153.19.23 0:0:0:0:0:ffff:cb99:1317
203.153.19.24 0:0:0:0:0:ffff:cb99:1318
203.153.19.25 0:0:0:0:0:ffff:cb99:1319
203.153.19.26 0:0:0:0:0:ffff:cb99:131a
203.153.19.27 0:0:0:0:0:ffff:cb99:131b
203.153.19.28 0:0:0:0:0:ffff:cb99:131c
203.153.19.29 0:0:0:0:0:ffff:cb99:131d
203.153.19.30 0:0:0:0:0:ffff:cb99:131e
203.153.19.31 0:0:0:0:0:ffff:cb99:131f
203.153.19.32 0:0:0:0:0:ffff:cb99:1320
203.153.19.33 0:0:0:0:0:ffff:cb99:1321
203.153.19.34 0:0:0:0:0:ffff:cb99:1322
203.153.19.35 0:0:0:0:0:ffff:cb99:1323
203.153.19.36 0:0:0:0:0:ffff:cb99:1324
203.153.19.37 0:0:0:0:0:ffff:cb99:1325
203.153.19.38 0:0:0:0:0:ffff:cb99:1326
203.153.19.39 0:0:0:0:0:ffff:cb99:1327
203.153.19.40 0:0:0:0:0:ffff:cb99:1328
203.153.19.41 0:0:0:0:0:ffff:cb99:1329
203.153.19.42 0:0:0:0:0:ffff:cb99:132a
203.153.19.43 0:0:0:0:0:ffff:cb99:132b
203.153.19.44 0:0:0:0:0:ffff:cb99:132c
203.153.19.45 0:0:0:0:0:ffff:cb99:132d
203.153.19.46 0:0:0:0:0:ffff:cb99:132e
203.153.19.47 0:0:0:0:0:ffff:cb99:132f
203.153.19.48 0:0:0:0:0:ffff:cb99:1330
203.153.19.49 0:0:0:0:0:ffff:cb99:1331
203.153.19.50 0:0:0:0:0:ffff:cb99:1332
203.153.19.51 0:0:0:0:0:ffff:cb99:1333
203.153.19.52 0:0:0:0:0:ffff:cb99:1334
203.153.19.53 0:0:0:0:0:ffff:cb99:1335
203.153.19.54 0:0:0:0:0:ffff:cb99:1336
203.153.19.55 0:0:0:0:0:ffff:cb99:1337
203.153.19.56 0:0:0:0:0:ffff:cb99:1338
203.153.19.57 0:0:0:0:0:ffff:cb99:1339
203.153.19.58 0:0:0:0:0:ffff:cb99:133a
203.153.19.59 0:0:0:0:0:ffff:cb99:133b
203.153.19.60 0:0:0:0:0:ffff:cb99:133c


203.153.19.61 0:0:0:0:0:ffff:cb99:133d
203.153.19.62 0:0:0:0:0:ffff:cb99:133e
203.153.19.63 0:0:0:0:0:ffff:cb99:133f
203.153.19.64 0:0:0:0:0:ffff:cb99:1340
203.153.19.65 0:0:0:0:0:ffff:cb99:1341
203.153.19.66 0:0:0:0:0:ffff:cb99:1342
203.153.19.67 0:0:0:0:0:ffff:cb99:1343
203.153.19.68 0:0:0:0:0:ffff:cb99:1344
203.153.19.69 0:0:0:0:0:ffff:cb99:1345
203.153.19.70 0:0:0:0:0:ffff:cb99:1346
203.153.19.71 0:0:0:0:0:ffff:cb99:1347
203.153.19.72 0:0:0:0:0:ffff:cb99:1348
203.153.19.73 0:0:0:0:0:ffff:cb99:1349
203.153.19.74 0:0:0:0:0:ffff:cb99:134a
203.153.19.75 0:0:0:0:0:ffff:cb99:134b
203.153.19.76 0:0:0:0:0:ffff:cb99:134c
203.153.19.77 0:0:0:0:0:ffff:cb99:134d
203.153.19.78 0:0:0:0:0:ffff:cb99:134e
203.153.19.79 0:0:0:0:0:ffff:cb99:134f
203.153.19.80 0:0:0:0:0:ffff:cb99:1350
203.153.19.81 0:0:0:0:0:ffff:cb99:1351
203.153.19.82 0:0:0:0:0:ffff:cb99:1352
203.153.19.83 0:0:0:0:0:ffff:cb99:1353
203.153.19.84 0:0:0:0:0:ffff:cb99:1354
203.153.19.85 0:0:0:0:0:ffff:cb99:1355
203.153.19.86 0:0:0:0:0:ffff:cb99:1356
203.153.19.87 0:0:0:0:0:ffff:cb99:1357
203.153.19.88 0:0:0:0:0:ffff:cb99:1358
203.153.19.89 0:0:0:0:0:ffff:cb99:1359
203.153.19.90 0:0:0:0:0:ffff:cb99:135a
203.153.19.91 0:0:0:0:0:ffff:cb99:135b
203.153.19.92 0:0:0:0:0:ffff:cb99:135c
203.153.19.93 0:0:0:0:0:ffff:cb99:135d
203.153.19.94 0:0:0:0:0:ffff:cb99:135e
203.153.19.95 0:0:0:0:0:ffff:cb99:135f
203.153.19.96 0:0:0:0:0:ffff:cb99:1360
203.153.19.97 0:0:0:0:0:ffff:cb99:1361
203.153.19.98 0:0:0:0:0:ffff:cb99:1362
203.153.19.99 0:0:0:0:0:ffff:cb99:1363
203.153.19.100 0:0:0:0:0:ffff:cb99:1364
203.153.19.101 0:0:0:0:0:ffff:cb99:1365
203.153.19.102 0:0:0:0:0:ffff:cb99:1366
203.153.19.103 0:0:0:0:0:ffff:cb99:1367
203.153.19.104 0:0:0:0:0:ffff:cb99:1368
203.153.19.105 0:0:0:0:0:ffff:cb99:1369
203.153.19.106 0:0:0:0:0:ffff:cb99:136a
203.153.19.107 0:0:0:0:0:ffff:cb99:136b
203.153.19.108 0:0:0:0:0:ffff:cb99:136c
203.153.19.109 0:0:0:0:0:ffff:cb99:136d
203.153.19.110 0:0:0:0:0:ffff:cb99:136e
203.153.19.111 0:0:0:0:0:ffff:cb99:136f
203.153.19.112 0:0:0:0:0:ffff:cb99:1370
203.153.19.113 0:0:0:0:0:ffff:cb99:1371
203.153.19.114 0:0:0:0:0:ffff:cb99:1372
203.153.19.115 0:0:0:0:0:ffff:cb99:1373
203.153.19.116 0:0:0:0:0:ffff:cb99:1374
203.153.19.117 0:0:0:0:0:ffff:cb99:1375
203.153.19.118 0:0:0:0:0:ffff:cb99:1376
203.153.19.119 0:0:0:0:0:ffff:cb99:1377
203.153.19.120 0:0:0:0:0:ffff:cb99:1378


203.153.19.121 0:0:0:0:0:ffff:cb99:1379
203.153.19.122 0:0:0:0:0:ffff:cb99:137a
203.153.19.123 0:0:0:0:0:ffff:cb99:137b
203.153.19.124 0:0:0:0:0:ffff:cb99:137c
203.153.19.125 0:0:0:0:0:ffff:cb99:137d
203.153.19.126 0:0:0:0:0:ffff:cb99:137e
203.153.19.127 0:0:0:0:0:ffff:cb99:137f
203.153.19.128 0:0:0:0:0:ffff:cb99:1380
203.153.19.129 0:0:0:0:0:ffff:cb99:1381
203.153.19.130 0:0:0:0:0:ffff:cb99:1382
203.153.19.131 0:0:0:0:0:ffff:cb99:1383
203.153.19.132 0:0:0:0:0:ffff:cb99:1384
203.153.19.133 0:0:0:0:0:ffff:cb99:1385
203.153.19.134 0:0:0:0:0:ffff:cb99:1386
203.153.19.135 0:0:0:0:0:ffff:cb99:1387
203.153.19.136 0:0:0:0:0:ffff:cb99:1388
203.153.19.137 0:0:0:0:0:ffff:cb99:1389
203.153.19.138 0:0:0:0:0:ffff:cb99:138a
203.153.19.139 0:0:0:0:0:ffff:cb99:138b
203.153.19.140 0:0:0:0:0:ffff:cb99:138c
203.153.19.141 0:0:0:0:0:ffff:cb99:138d
203.153.19.142 0:0:0:0:0:ffff:cb99:138e
203.153.19.143 0:0:0:0:0:ffff:cb99:138f
203.153.19.144 0:0:0:0:0:ffff:cb99:1390
203.153.19.145 0:0:0:0:0:ffff:cb99:1391
203.153.19.146 0:0:0:0:0:ffff:cb99:1392
203.153.19.147 0:0:0:0:0:ffff:cb99:1393
203.153.19.148 0:0:0:0:0:ffff:cb99:1394
203.153.19.149 0:0:0:0:0:ffff:cb99:1395
203.153.19.150 0:0:0:0:0:ffff:cb99:1396
203.153.19.151 0:0:0:0:0:ffff:cb99:1397
203.153.19.152 0:0:0:0:0:ffff:cb99:1398
203.153.19.153 0:0:0:0:0:ffff:cb99:1399
203.153.19.154 0:0:0:0:0:ffff:cb99:139a
203.153.19.155 0:0:0:0:0:ffff:cb99:139b
203.153.19.156 0:0:0:0:0:ffff:cb99:139c
203.153.19.157 0:0:0:0:0:ffff:cb99:139d
203.153.19.158 0:0:0:0:0:ffff:cb99:139e
203.153.19.159 0:0:0:0:0:ffff:cb99:139f
203.153.19.160 0:0:0:0:0:ffff:cb99:13a0
203.153.19.161 0:0:0:0:0:ffff:cb99:13a1
203.153.19.162 0:0:0:0:0:ffff:cb99:13a2
203.153.19.163 0:0:0:0:0:ffff:cb99:13a3
203.153.19.164 0:0:0:0:0:ffff:cb99:13a4
203.153.19.165 0:0:0:0:0:ffff:cb99:13a5
203.153.19.166 0:0:0:0:0:ffff:cb99:13a6
203.153.19.167 0:0:0:0:0:ffff:cb99:13a7
203.153.19.168 0:0:0:0:0:ffff:cb99:13a8
203.153.19.169 0:0:0:0:0:ffff:cb99:13a9
203.153.19.170 0:0:0:0:0:ffff:cb99:13aa
203.153.19.171 0:0:0:0:0:ffff:cb99:13ab
203.153.19.172 0:0:0:0:0:ffff:cb99:13ac
203.153.19.173 0:0:0:0:0:ffff:cb99:13ad
203.153.19.174 0:0:0:0:0:ffff:cb99:13ae
203.153.19.175 0:0:0:0:0:ffff:cb99:13af
203.153.19.176 0:0:0:0:0:ffff:cb99:13b0
203.153.19.177 0:0:0:0:0:ffff:cb99:13b1
203.153.19.178 0:0:0:0:0:ffff:cb99:13b2
203.153.19.179 0:0:0:0:0:ffff:cb99:13b3
203.153.19.180 0:0:0:0:0:ffff:cb99:13b4


203.153.19.181 0:0:0:0:0:ffff:cb99:13b5
203.153.19.182 0:0:0:0:0:ffff:cb99:13b6
203.153.19.183 0:0:0:0:0:ffff:cb99:13b7
203.153.19.184 0:0:0:0:0:ffff:cb99:13b8
203.153.19.185 0:0:0:0:0:ffff:cb99:13b9
203.153.19.186 0:0:0:0:0:ffff:cb99:13ba
203.153.19.187 0:0:0:0:0:ffff:cb99:13bb
203.153.19.188 0:0:0:0:0:ffff:cb99:13bc
203.153.19.189 0:0:0:0:0:ffff:cb99:13bd
203.153.19.190 0:0:0:0:0:ffff:cb99:13be
203.153.19.191 0:0:0:0:0:ffff:cb99:13bf
203.153.19.192 0:0:0:0:0:ffff:cb99:13c0
203.153.19.193 0:0:0:0:0:ffff:cb99:13c1
203.153.19.194 0:0:0:0:0:ffff:cb99:13c2
203.153.19.195 0:0:0:0:0:ffff:cb99:13c3
203.153.19.196 0:0:0:0:0:ffff:cb99:13c4
203.153.19.197 0:0:0:0:0:ffff:cb99:13c5
203.153.19.198 0:0:0:0:0:ffff:cb99:13c6
203.153.19.199 0:0:0:0:0:ffff:cb99:13c7
203.153.19.200 0:0:0:0:0:ffff:cb99:13c8
203.153.19.201 0:0:0:0:0:ffff:cb99:13c9
203.153.19.202 0:0:0:0:0:ffff:cb99:13ca
203.153.19.203 0:0:0:0:0:ffff:cb99:13cb
203.153.19.204 0:0:0:0:0:ffff:cb99:13cc
203.153.19.205 0:0:0:0:0:ffff:cb99:13cd
203.153.19.206 0:0:0:0:0:ffff:cb99:13ce
203.153.19.207 0:0:0:0:0:ffff:cb99:13cf
203.153.19.208 0:0:0:0:0:ffff:cb99:13d0
203.153.19.209 0:0:0:0:0:ffff:cb99:13d1
203.153.19.210 0:0:0:0:0:ffff:cb99:13d2
203.153.19.211 0:0:0:0:0:ffff:cb99:13d3
203.153.19.212 0:0:0:0:0:ffff:cb99:13d4
203.153.19.213 0:0:0:0:0:ffff:cb99:13d5
203.153.19.214 0:0:0:0:0:ffff:cb99:13d6
203.153.19.215 0:0:0:0:0:ffff:cb99:13d7
203.153.19.216 0:0:0:0:0:ffff:cb99:13d8
203.153.19.217 0:0:0:0:0:ffff:cb99:13d9
203.153.19.218 0:0:0:0:0:ffff:cb99:13da
203.153.19.219 0:0:0:0:0:ffff:cb99:13db
203.153.19.220 0:0:0:0:0:ffff:cb99:13dc
203.153.19.221 0:0:0:0:0:ffff:cb99:13dd
203.153.19.222 0:0:0:0:0:ffff:cb99:13de
203.153.19.223 0:0:0:0:0:ffff:cb99:13df
203.153.19.224 0:0:0:0:0:ffff:cb99:13e0
203.153.19.225 0:0:0:0:0:ffff:cb99:13e1
203.153.19.226 0:0:0:0:0:ffff:cb99:13e2
203.153.19.227 0:0:0:0:0:ffff:cb99:13e3
203.153.19.228 0:0:0:0:0:ffff:cb99:13e4
203.153.19.229 0:0:0:0:0:ffff:cb99:13e5
203.153.19.230 0:0:0:0:0:ffff:cb99:13e6
203.153.19.231 0:0:0:0:0:ffff:cb99:13e7
203.153.19.232 0:0:0:0:0:ffff:cb99:13e8
203.153.19.233 0:0:0:0:0:ffff:cb99:13e9
203.153.19.234 0:0:0:0:0:ffff:cb99:13ea
203.153.19.235 0:0:0:0:0:ffff:cb99:13eb
203.153.19.236 0:0:0:0:0:ffff:cb99:13ec
203.153.19.237 0:0:0:0:0:ffff:cb99:13ed
203.153.19.238 0:0:0:0:0:ffff:cb99:13ee
203.153.19.239 0:0:0:0:0:ffff:cb99:13ef
203.153.19.240 0:0:0:0:0:ffff:cb99:13f0
203.153.19.241 0:0:0:0:0:ffff:cb99:13f1
203.153.19.242 0:0:0:0:0:ffff:cb99:13f2
203.153.19.243 0:0:0:0:0:ffff:cb99:13f3
203.153.19.244 0:0:0:0:0:ffff:cb99:13f4
203.153.19.245 0:0:0:0:0:ffff:cb99:13f5
203.153.19.246 0:0:0:0:0:ffff:cb99:13f6
203.153.19.247 0:0:0:0:0:ffff:cb99:13f7
203.153.19.248 0:0:0:0:0:ffff:cb99:13f8
203.153.19.249 0:0:0:0:0:ffff:cb99:13f9
203.153.19.250 0:0:0:0:0:ffff:cb99:13fa
203.153.19.251 0:0:0:0:0:ffff:cb99:13fb
203.153.19.252 0:0:0:0:0:ffff:cb99:13fc
203.153.19.253 0:0:0:0:0:ffff:cb99:13fd
203.153.19.254 0:0:0:0:0:ffff:cb99:13fe
203.153.19.255 0:0:0:0:0:ffff:cb99:13ff


How we got IPv4 subnet masks?

An IPv4 subnet mask consists of 32 bits; it is a sequence of ones (1) followed by a block of zeros (0). The ones indicate bits in the address used for the network prefix and the trailing block of zeros designates that part as being the host identifier.